Pic will be a fictional look at a real event about a young man who turns up at a home and tells a couple that he's their child who disappeared years ago.

"Of all the stories I covered while making documentaries, this was the most extraordinary story I've ever come across, with the most extraordinary central character, whom I'd spent hours interviewing in a federal detention center," Range said.

Range said the tale has some surprising twists and turns, but it will be hard for him to outdo the outcry when "Death of a President" -- which depicted the assassination of President George W. Bush -- premiered at the previous Toronto Film Festival.